A028169 Expansion of 1/((1-5x)(1-6x)(1-7x)(1-12x)).

1, 30, 577, 9114, 129349, 1723086, 22075129, 275977218, 3397380877, 41418850902, 501892142401, 6058699871562, 72968197588885, 877537225626078, 10544318356835593, 126631590349302546, 1520293638382550173

Offset

0,2

Links

Table of n, a(n) for n=0..16.

Index entries for linear recurrences with constant coefficients, signature (30, -323, 1494, -2520).

Formula

a(n)=(12^(n+3)-3*7^(n+4)+35*6^(n+3)-3*5^(n+4))/210. [Yahia Kahloune, Jun 12 2013]

Crossrefs

Sequence in context: A028147 A028099 A028140 * A028094 A028138 A028127

Adjacent sequences: A028166 A028167 A028168 * A028170 A028171 A028172

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved